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112212100020 = 22353750545991
BaseRepresentation
bin110100010000001011…
…1001100001110110100
3101201122020212022010110
41220200113030032310
53314302244200040
6123314410423020
711051502053436
oct1504027141664
9351566768113
10112212100020
1143652894649
12198b7731a70
13a7738a6c27
145606cd0656
152dbb404980
hex1a205cc3b4

112212100020 has 48 divisors (see below), whose sum is σ = 322685612928. Its totient is φ = 29114490240.

The previous prime is 112212100001. The next prime is 112212100067. The reversal of 112212100020 is 20001212211.

112212100020 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 112212099969 and 112212100005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25270776 + ... + 25275215.

It is an arithmetic number, because the mean of its divisors is an integer number (6722616936).

Almost surely, 2112212100020 is an apocalyptic number.

112212100020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112212100020 is an abundant number, since it is smaller than the sum of its proper divisors (210473512908).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

112212100020 is a wasteful number, since it uses less digits than its factorization.

112212100020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50546040 (or 50546038 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 112212100020 its reverse (20001212211), we get a palindrome (132213312231).

The spelling of 112212100020 in words is "one hundred twelve billion, two hundred twelve million, one hundred thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 37 60 74 111 148 185 222 370 444 555 740 1110 2220 50545991 101091982 151637973 202183964 252729955 303275946 505459910 606551892 758189865 1010919820 1516379730 1870201667 3032759460 3740403334 5610605001 7480806668 9351008335 11221210002 18702016670 22442420004 28053025005 37404033340 56106050010 112212100020